逆向疊代器

void test()
{
    vector<int> numbers{1, 4, 6, 90, 34};
    vector<int>::reverse_iterator it = numbers.rbegin();
    /* auto it = numbers.rbegin(); */
    for(; it != numbers.rend(); ++it)
    {
    cout << *it << " ";
    }
    cout << endl;
}